reprap: c3 update

[simavr] / examples / board_reprap / src / c3 / c3context.c

diff --git a/examples/board_reprap/src/c3/c3context.c b/examples/board_reprap/src/c3/c3context.c
new file mode 100644 (file)
index 0000000..6c28758
--- /dev/null
+++ b/examples/board_reprap/src/c3/c3context.c
@@ -0,0 +1,72 @@
+/*
+       c3context.c
+
+       Copyright 2008-2012 Michel Pollet <buserror@gmail.com>
+
+       This file is part of simavr.
+
+       simavr is free software: you can redistribute it and/or modify
+       it under the terms of the GNU General Public License as published by
+       the Free Software Foundation, either version 3 of the License, or
+       (at your option) any later version.
+
+       simavr is distributed in the hope that it will be useful,
+       but WITHOUT ANY WARRANTY; without even the implied warranty of
+       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+       GNU General Public License for more details.
+
+       You should have received a copy of the GNU General Public License
+       along with simavr.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "c3/c3context.h"
+#include "c3/c3object.h"
+#include "c3/c3driver_context.h"
+
+c3context_p
+c3context_new(
+               int w,
+               int h)
+{
+       c3context_p res = malloc(sizeof(*res));
+       return c3context_init(res, w, h);
+}
+
+c3context_p
+c3context_init(
+               c3context_p c,
+               int w,
+               int h)
+{
+       memset(c, 0, sizeof(*c));
+       c->size.x = w;
+       c->size.y = h;
+       c->root = c3object_new(NULL);
+       c->root->context = c;
+       return c;
+}
+
+void
+c3context_prepare(
+               c3context_p c)
+{
+       if (!c->root || !c->root->dirty)
+               return;
+
+       c3mat4 m = identity3D();
+       c3object_project(c->root, &m);
+       c3geometry_array_clear(&c->projected);
+       c3object_get_geometry(c->root, &c->projected);
+}
+
+void
+c3context_draw(
+               c3context_p c)
+{
+       c3context_prepare(c);
+       for (int gi = 0; gi < c->projected.count; gi++) {
+               c3geometry_p g = c->projected.e[gi];
+               C3_DRIVER(c, geometry_draw, g);
+       }
+}